alternative question meaning in English

选择问句
选择疑问句

Performs a select statement , using the alternative question mark placeholders
使用问号占位符执行一条select语句。
The conjunction “ 还是 ” is used in an interrogative sentence to connect two or more alternative for the address to choose . such a question is known as alternative question
用连词“还是”并列两种以上情况，让对方选择其中一项回答，可以询问句中不同成分。这种是选择疑问句。